The Town Files

Delavan, Illinois

City in Tazewell County · population 1,568 (2020 Census)

Map: where Delavan is in IllinoisDelavan
Median home
$123,600
Household income
$62,841
Jan low / Jul high
16° / 85°
Snow a year
21 in
Tornadoes ≤10 mi since 1950
39
Median age
38.1

Delavan is a city of 1,568 people in Tazewell County, Illinois. The median home is worth $123,600, below the typical Illinois town ($156,600). It ranks easier by car than 98% of Illinois towns.

How Delavan ranks

Percentile among Illinois towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Illinois towns.

Delavan lifestyle rankings vs other Illinois townsRetirement37th pctFamilies64th pctQuiet63rd pctWalkability32nd pctFirst-time buyersbottomYoung professionals40th pctVibrancy30th pctHip & trendy44th pctCollege town25th pctUpscale63rd pctVacation homesbottomSeaside characterbottomCyclingbottomTransitbottomDriving98th pcttypical
The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025).

Homes and cost of living

The median home in Delavan is worth $123,600, below the typical Illinois town ($156,600). Homes cost about 2.0 times the median household income of $62,841, which is more affordable than 61% of Illinois towns. Median rent is $876 a month. 75.3% of households own their home.

Delavan vs Tazewell County vs typical Illinois townDelavanTazewell CountyTypical Illinois townHome value$123,600$167,500$156,600Household income$62,841$77,982$72,500Monthly rent$876$909$960
Census ACS 5-year estimates, 2020–2024. "Typical town" = median of Illinois towns with 500+ people.
HousingDelavanTypical Illinois town
Median home value$123,600$156,600
Median rent$876$960
Median household income$62,841$72,500
Home value ÷ income2.0×2.2×
Homeownership75.3%76.6%
Median year built19551967
Seasonal / vacation homes0.0%—

Who lives in Delavan

PeopleDelavanTypical Illinois town
Median age38.140.4
Age 65 and over18.1%18.7%
Under 1828.0%—
Bachelor's degree or higher19.1%21.8%
Below the poverty line11.0%9.9%
Veterans11.2%—
Born outside the U.S.0.5%—
Work from home5.2%8.9%
Average commute29.8 min26.1 min
Homes with broadband84.4%90.4%

Weather in Delavan

July highs average 85.2°F and January lows 16.2°F. About 39.3 inches of rain and melted snow fall a year, with 20.6 inches of snow (typical Illinois town: 24.2 in). Expect about 28 days a year at 90°F or hotter and 122 nights at or below freezing.

Delavan monthly temperatures and precipitation10°20°30°40°50°60°70°80°90°32° freezing33°16°Jan38°19°Feb51°30°Mar64°41°Apr74°53°May82°62°Jun85°65°Jul84°62°Aug79°54°Sep66°43°Oct51°31°Nov38°22°DecPrecipitation (in) · snow (in) in blue2.36.52.05.72.52.53.70.34.54.25.13.63.53.32.80.81.74.8
NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the Mason City 4Se station (15.3 mi away); snowfall estimated from the 4 nearest snow stations, weighted by distance.

Tornadoes, storms and disasters

39 tornadoes have passed within 10 miles of Delavan since 1950, compared with 27 for the typical Illinois town. 10 rated (E)F2 or stronger. The strongest, an F3, struck on May 10, 2003 about 9.8 miles from the town center. Tornadoes within 10 miles have caused 1 deaths and 99 injuries since 1950. The most recent was on March 10, 2026.

Tornadoes within 10 miles of Delavan by decade21950s31960s41970s41980s71990s62000s72010s62020s
NOAA Storm Events Database, tornado tracks (start to end point) passing within 10 miles of the town center, 1950–2026.

Hail of 1 inch or larger has been reported within 10 miles 35 times; the largest was 3.75 inches on August 18, 2001.

Severe weather in Tazewell County since 1996

Storm events in Tazewell County since 1996 by typeHail197Flood10Drought17Tornado45High Wind13Ice Storm10Heavy Snow22Flash Flood38
NOAA Storm Events Database, Tazewell County, 1996–2026 (all event types recorded since 1996). 10 deaths recorded.

Tazewell County has been included in 15 federal disaster or emergency declarations since 1953, most often for flood, tornado, hurricane.

DeclaredIncidentDeclaration
March 26, 2020BiologicalDR-4489: Covid-19 Pandemic
March 13, 2020BiologicalEM-3435: Covid-19
November 26, 2013TornadoDR-4157: Severe Storms, Straight-Line Winds, And Tornadoes
May 10, 2013FloodDR-4116: Severe Storms, Straight-Line Winds, And Flooding
March 17, 2011SnowstormDR-1960: Severe Winter Storm And Snowstorm

Jobs and pay in Tazewell County

Tazewell County had 46,883 jobs in 2024, paying an average of $56,089 a year. Unemployment was 4.5% in 2023; in Delavan itself the ACS puts it at 5.8%.

Largest industries in Tazewell CountyRetail6,691 jobs · $37,877Manufacturing6,282 jobs · $77,331Hotels & restaurants5,473 jobs · $23,539Health care & social assistan…4,339 jobs · $43,725Construction3,101 jobs · $75,240Transportation & warehousing2,830 jobs · $81,959
BLS Quarterly Census of Employment and Wages, 2024, private-sector jobs and average annual pay.
Unemployment rate in Tazewell County, 2000–20230%2%4%6%8%10%12%2000200420082012201620202023Tazewell 4.5%
Annual average unemployment rate (BLS Local Area Unemployment Statistics via USDA ERS).

Public schools in Delavan

3 public schools with 406 students, about 10.4 students per teacher.

SchoolGradesStudentsPer teacher
Delavan Elementary SchoolPK-620910.0
Delavan High School9-1213810.6
Delavan Jr High School7-85911.8

Towns near Delavan

Delavan questions

Is Delavan, Illinois a good place to retire?

On The Town Files lifestyle rankings, Delavan scores better for retirees than 37% of Illinois towns and quieter than 63%. 18.1% of residents are 65 or older (median age 38.1).

How much does a house cost in Delavan?

The median owner-occupied home in Delavan is valued at $123,600 (Census ACS 2020–2024), against a median household income of $62,841, so homes cost about 2.0 times income. Median rent is $876 a month.

What is the weather like in Delavan?

July highs average 85.2°F and January lows 16.2°F (NOAA 1991–2020 normals). It gets about 39.3 inches of precipitation a year and 20.6 inches of snow.

Does Delavan get tornadoes?

39 tornadoes have passed within 10 miles of Delavan since 1950 (NOAA Storm Events); the strongest was a F3 on May 10, 2003. The typical Illinois town has had 27.

How this page is made. Every number comes from public data, matched to Delavan's Census boundary (GEOID 1719226). Comparisons use the median of Illinois towns with at least 500 people. Weather comes from the nearest NOAA normals station; storm counts use NOAA tornado tracks within 10 miles of the town center. Data snapshot 2026-11-13.